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G.E. DDB Projector Lamp

G.E. DDB Projector Lamp

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Although not particularly unusual in itself, the word marked on the base is.

The bulb blistering here is commonly seen on these lamps should the cooling blower not blow quite enough air up the lamphouse chimney, despite this, the lamp is still functional with about 50-60% Of its 100 odd hour life remaining.

Helvetia202.jpg Linea2001.jpg ProjDDB.jpg Alpina20GLS.jpg

Light Information

Light Information

Manufacturer:General Electric Warren, Ohio Lamp Plant
Model Reference:ANSI DDB
Lamp
Lamp Type:35mm Cinie Projection
Filament/Radiator Type:Tungsten Filament
Base:P28s/33 Brass
Shape/Finish:T-38 (Metric mm), T12 (Imperial Eighths of Inches) Clear with External Black Cap
Service Life:100 Hours
Electrical
Wattage:750
Voltage:100
Current:7.5A
Optical
Color Temperature:3200K
Color Rendering Index:100
Physical/Production
Dimensions:38mm dia,. 140mm tall.
Factory Location:Warren, Ohio, 41* 14' 52" N, 80* 49' 01" W
Fabrication Date:c1945
Application/Use:35mm Cinie Prpjection

File information

File information

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Filename:ProjDDB.jpg
Album name:Globe Collector / Incandescent Lamps
Keywords:Lamps
File Size:88 KB
Date added:Oct 14, 2020
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Comments
rjluna2
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Robert


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Oct 14, 2020 at 07:25 AM Author: rjluna2
According to the ANSI specification, it is 25 hours

https://www.topbulb.com/ddb-bulb-750w-120v-t12-incandescent-ddb

Pretty, please no more Chinese failure.

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